Perforating-machine.



A. L. DAY.

PERFORATING MACHINE.

APPLIOATION FILED JAN. 21, 1913.

Patented Jan. 12, 1915.

UNITED STATES ALFRED L. DAY, or cnrcneo, rumors,

PATENT OFFICE.

ASSIGNOR T AMERICAN PEBFOBATOR I COMPANY, OF CHICAGO, ILLINOIS, ACORPORATION OF ILLINOIS.

PEBFORATING-MACHINE.

Specification of Letters Patent.

Patented Jan. 12, 1915.

Application filed January 21, 1913. Serial Ho. 743,288.

, whickthe following is a full, clear, concise,

and-exactdescription, reference being had to the=accompanying,drawmg,forming a part ofthis: specification.

This-invention relates to improvements 1n perforating machines, the obect. being to improve the wearing, qualities of the machine {ando'simplify and cheapen the construction t Oneemhodimellt ofthe invent onis illustratedin the accompanylng drawings and 1t will be,obvi0us;that-the improvements may beappliedmo. various forms, s1zes and types of:machines and; thatthey may differ in structural respects, all within thescope of the appended claims.

In=the e drawings Figure 1 is a side elevationo a simplehand machine,parts being-lbrokenaway to show more clearly the features; ofimprovement; Fig. 2 1s a crosssectional view, thev plane of section bemgindicated by, the line 2- -2 of Fig. 1; Fig. 3 is=:a perspective detailview of the fixed mandrel on the. movable head of the machine; and Fig.4; is a similar view of one of the rotatablematrix rings.

This machine in general is of the type used for perforating numbers,letters, words or other data, through one-or more sheets of paper, as,for example, checks. It 1nclndes. a. plurality of groups of smallpunches, some of. which punches m each group are depressed. when themachme is operated to perforate the deslred letter, figureor..character,- In order to select the proper punches in each group forsuch perorations, the operating head of the machine. is provided-with amatrix ring or late for each-group of punches, at least ot-5 any groupin which it is deslred to chan e-the character of perforatlon made byit. 'l he ,ring is provided at different points with groups of holesadapted when any such point .is brought opposite the ends of thepunchesand the head depressed or moved toward the goup to receive theends of the non-perforatin punches. The remainderof the punches o thegroup are pressed forward by the solid portion of the ring, or plate andserve to perforate the desired character in the sheet.

The present invention relates to improvements in such machines wherebythe head:

or punch operating means may bemade much more cheaply and expeditlouslthan heretofore and the wearing and lasting qualities of the same bemuch improved.

Referring to the particular machine, of the drawings, the baseportions10 and 11- of suitable form and material are bolted orotherwise fastenedtogether to form a rigid member, the two parts being slightly separatedat their forward ends to form a slot or mouth to permit the insertion ofa sheet or sheets to be perforated. A suitable die plate is carried inthe lower portion 19 to cooperate with thepunches 12 in making theperforations. The adjacent part of-the upper member 11 is provided witha suitable guide plate for the-lower endsof the punches, anda plate 13secured to the upper side edges-of this same part forms a guide for theupper end of the punches.

The upper portion of the machine con: sists of a suitable hollow arm 14,usually of nest metal, pivoted at its rear end to the base portion 11,and carrying the operatinghead at its forward end. To the crossmember 15near the forward end of this .arm and between its two side members 16,

and 17 is secured a suitable mandrel,18:-by.

means of the screw bolt 19. This .mandrel is cylindrical in form andcarries the rotata ble matrix rings 20. A front plate 21having anannular shoulder to fit within-the side members 16 and 17 is secured byscrews 22 to the forward ends of the said members-16 and '17 and servesto end of the head.

A. lifting plate 23 for .the punches is carried by the head between aledge formed on the inside lower-edge of the extension of the frontplate 22 and a suitable slot or groove.

in the corresponding extension of thecross member 15. Said lifting plateis adapted to reciprocate vertically between. the side members of theportion 11 of the base and when raised to engage suitable shoulders on;

inclose the forward h 95 the punches 12. When the head is depressed thisplate permits,v the punches to be depressed also;

A suitable hand lever 30 is pivoted to the upper ends of a link 31,which in turn is ivoted to the portion 11 of the base. This ever has apro ection 32 engagmg the upper end of a coiled spring 33, WhlCh restsat its lower end upon the upper side of the base portion 10. The leveris operated to depress the head and when released both lever and headare raised by thespring.

The rings 20 are sections of comparatively thin tubing, preferablysteel, and of such size as to nicely fit over the cylindrical mandrel18. There should be sufiicient clearance to enable them to be easilyrotated thereon. These rings 20 are provided at various points abouttheir circumference with suitable apertures arranged to permit ends ofthe punches so that there will be sufiicient clearance space for theirupper ends after they pass through the ring 20. In the upper side of themandrel 18 is a groove 35 into which a pin 36 for each ring is insertedwhen the ring is brought to the desired position with the proper matrixover the punch group.

The rings may be provided in any deslred number; four are shown in thepresent in- I stance. Any desired matrix may be made in such rings. Thegroups of punches may varyin number and size. The rings may be turned byhand or automatically and any desired number of matrices withinpracticable limits may be placed in the rings. The machine may beoperated by hand or power. With a different form of mandrel orsupporting back, the matrix plate may differ, and separate plates, flator otherwise, for each matrix may be employed. In short, the inventionas defined by the claims is not confined in its application to theparticular form of machine shown nor to one operating in the same way. I

By placing suitable markings adjacent the holes in the rings throughwhich the pins 36 pass, the operator can tell what pattern is above thepunches of that ring and can set the rings accordingly. The patterns mayconveniently be so disposed in the rings that the turning of the ring bythe pin 36 until the pin strik the upper edge of the side member 17 brifi gs the next hole in the ring in line with the groove 35, into whichthe pin may then be inserted to hold the ring in proper position. Or therings may be turned by the fingers to the desired position. A suitableshield 37 of sheet metal may be secured to the head to entirely covertion.

By making the mandrel or supporting back of enlarged diameter andgrooving it for the punch ends and making the rings or pattern plate ofthin material, the cost of the raw materials is greatly reduced sincestock materials may be used; the cost of labor is likewise greatlyreduced, since the only machining required is the simple operations ofmaking the grooves in the mandrel and drilling the holes on the thinrings, and a longer wearing device is produced since steel may beemployed for the rings in place of softer metals. By the use ofnthe thinmatrix material together with a suit able backing or support, theinvention adapts itself to fields of use not heretofore contemplated forperforating machines, particularly where a plurality of papers ordocuments are to be marked for each of a list of names or otheridentifying indicia,

the opening in the front end of the base porplates carried by andmovable with said.

head for causing said punches to operate, and means permitting theremoval of any of said matrix plates from said head and the substitutionof others therefor. 7

2, In a perforating machine, a groupof punches, and an operating headtherefor, said head including a comparatively thin matrix ring havingperforations to receive the non-perforating punches of the group, and asupporting mandrel for said ring, said mandrel having a space to receivethe ends of the punches that extend through said thin matrix plateduring the perforating operation.

3. In a perforating machine, a plurality of groups of punches, and anoperating head therefor, said head comprising a fixed cylindricalmandrel relatively movable toward and away from the ends of .said groupsof punches, a plurality of matrix-rings carried on said mandrel, one foreach group of punches, and rotatable on said mandrel, each of said ringshaving a plurality of groups of openings corresponding to thenon-perforating punches of each character to be perforated, and saidmandrel having a groove formed therein opposite said groups of punchesto receive the ends of said nonperforating punches when they projectthrough the matrix rings in the perforating operation.

4. In a perforating machine, the combination with a plurality of groupsof punches, of a mandrel, a plurality of matrix rings on the mandrel,one for each group of punches, and groups of apertures in the rings toaccommodate the non-perforating punches of each group.

5. In a perforating machine, the combination with a base, of a pluralityof punches supported on said base, a movable head, a plurality ofcomparatively thin matrix plates carried side by side on said head andmovable therewith, said plates being movable relative to said head andhaving means whereby they cause the depression of a predetermined numberof said punches according to their position on said head, and meanspermitting the removal of any of said matrix plates from said head andthe substitution of others therefor for causing a different operation ofsaid punches.

In witness whereof, I have hereunto subscribed my name in the presenceof two witnesses.

ALFRED L. DAY.

Witnesses Ronnn'r LEWIS Aims, ANNE Sonomon.

